CN108585061A - A kind of Co doping FeS2Nano-material and preparation method thereof - Google Patents
A kind of Co doping FeS2Nano-material and preparation method thereof Download PDFInfo
- Publication number
- CN108585061A CN108585061A CN201810744461.8A CN201810744461A CN108585061A CN 108585061 A CN108585061 A CN 108585061A CN 201810744461 A CN201810744461 A CN 201810744461A CN 108585061 A CN108585061 A CN 108585061A
- Authority
- CN
- China
- Prior art keywords
- nano
- fes
- adulterates
- preparation
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/12—Sulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of Co to adulterate FeS2Nano-material and preparation method thereof, this nanometer include substrate and are arranged in the Co doping FeS of the substrate surface2Nano wire；Preparation method includes：Molysite, cobalt salt, thiocarbamide and sulphur powder being weighed first, the obtained mixed solution of stirring in deionized water being added, then placed the substrate into above-mentioned mixed solution after carrying out hydro-thermal reaction, take out cleaning, drying, obtained Co adulterates FeS2Nano-material.The nano wire pattern of the nano-material of the present invention is good, and with substrate combined with firmness, load capacity is more, so that the nano-material not only there is excellent liberation of hydrogen to analyse oxygen performance, and stability is strong；Meanwhile the preparation process of the nano-material is simple, and it is of low cost, it derives from a wealth of sources, there is good application prospect in following clean energy resource hydrogen and oxygen preparation field.
Description
Technical field
The invention belongs to nano wire fields more particularly to a kind of Co to adulterate FeS2Nano-material.
Background technology
The nano wire of iron-cobalt-nickel class compound generally uses atom deposition method or vapour deposition process, such as uses water or second two
Alcohol etc. is used as solvent, and the compound of the high-specific surface area of synthesis is mostly needle-shaped or rodlike, is less able to synthesis diameter 10
The nano wire of ran.And the FeS synthesized at present2Nano wire preparation process is complicated, and does not have excellent electro-catalysis
Performance.
Therefore, now there is an urgent need for a kind of nano materials having excellent electrocatalysis characteristic.
Invention content
Goal of the invention：The first object of the present invention, which is to provide one kind, having superior electrocatalysis characteristic, and nano wire and lining
Bear building-up closes firm Co and adulterates FeS2Nano-material；
The second object of the present invention is to provide the preparation method of the nano-material.
Technical solution：Co of the present invention adulterates FeS2Nano-material, including substrate and be arranged in the Co of the substrate surface and mix
Miscellaneous FeS2Nano wire.
The present invention passes through in FeS2Cobalt volume sulphur powder is added in nano wire, not only effectively increases the combination of nano wire and substrate
Firmness, and the load capacity of sample is increased, enhance electrocatalysis characteristic.Furtherly, Co adulterates FeS2The diameter of nano wire
For 5~25nm, the nano wire pattern in the diameter range is good, and liberation of hydrogen analysis oxygen is had excellent performance and stability is high.Preferably, substrate
It can be carbon fiber class substrate.
The reaction mechanism of the present invention is as follows：It is floatd on solution upper layer in reaction process since sulphur powder is not soluble in water, by carbon fiber
After class substrate is put into, sulphur powder is preferentially attached on substrate, and sulphur powder switchs to liquid from solid-state after reaching certain temperature, at this time sulphur
The S that urea generates2-With liquid sulphur powder (S0) and Fe2+, Co2+It reacts in carbon fiber class substrate surface and generates Co doping FeS2It receives
Rice noodles, and the utilization rate of sulphur powder is improved simultaneously but also product reaches relatively large load in carbon fiber substrate.
The present invention prepares Co and adulterates FeS2The method of nano-material, includes the following steps：
(1) molysite, cobalt salt, thiocarbamide and sulphur powder are weighed, the obtained mixed solution of stirring in deionized water, the mixed solution is added
Middle Fe2+A concentration of 0.03~0.06mol/L, Co2+A concentration of 0.003~0.008mol/L, thiocarbamide and Fe2+Molar ratio
It is 1.5~2.5:1, sulphur powder and Fe2+Molar ratio be 0.5~1:1；
(2) it places the substrate into above-mentioned mixed solution after carrying out hydro-thermal reaction, takes out cleaning, dry, obtained Co doping
FeS2Nano-material.
Nano-material is made using hydro-thermal method one-step method in the present invention, and not only simple process and low cost is honest and clean, and enables to
The Co of preparation adulterates FeS2The diameter of nano wire is up to 5~25nm.
It further says, in step (1), molysite can be FeSO4·7H2O、Fe(NO3)2·6H2O or FeCl2·4H2O。
Cobalt salt can be Co (NO3)2·6H2O、CoCl2·6H2O or CoSO4·7H2O.Raw material be mixed time can be 15min~
30min。
Furtherly, in step (2), hydro-thermal reaction is 6~10h of reaction under the conditions of 150~210 DEG C.
Advantageous effect：Compared with prior art, remarkable advantage of the invention is：The nano wire pattern of the nano-material is good
Good, with substrate combined with firmness, load capacity is more, so that the nano-material not only there is excellent liberation of hydrogen to analyse oxygen performance,
And stability is strong；Meanwhile the preparation process of the nano-material is simple, and it is of low cost, it derives from a wealth of sources, in following clean energy resource
Hydrogen and oxygen preparation field have good application prospect.
Description of the drawings
Fig. 1 is that Co of the present invention adulterates FeS2The scanning electron microscope diagram of nano-material；
Fig. 2 is that Co of the present invention adulterates FeS2The high resolution scanning electron microscope figure of nano-material；
Fig. 3 is that Co of the present invention adulterates FeS2The transmission electron microscope figure of nano-material；
Fig. 4 is that Co of the present invention adulterates FeS2The high resolution transmission electron microscope figure of nano-material；
Fig. 5 is that Co of the present invention adulterates FeS2Nano-material and FeS2And CoS2Raman figure；
Fig. 6 is that Co of the present invention adulterates FeS2Nano-material is in 0.5M H2SO4It is middle to test the linear of obtained Hydrogen Evolution Performance
Scan volt-ampere curve and tafel slope figures；
Fig. 7 is that Co of the present invention adulterates FeS2Nano-material tests the linear scan of obtained analysis oxygen performance in 1M KOH
Volt-ampere curve and tafel slope figures.
Specific implementation mode
Technical scheme of the present invention is described in further detail with reference to the accompanying drawings and examples.
The raw material that the present invention uses is purchased from commercially available, wherein substrate is carbon fiber class substrate, preferably carbon paper.
Embodiment 1
Co adulterates FeS2The preparation method of nano-material includes the following steps：
(1) 25mL water is measured, the FeSO of 0.75mmol is weighed and be added4·7H2O, the Co (NO of 0.075mmol3)2·
6H2O, the sulphur powder of the thiocarbamide of 1.125mmol and 0.375mmol is made mixture, which is put into 30mL reaction kettles and is stirred
Reaction 15min is mixed,；
(2) it places the substrate into reaction kettle, is placed in 180 DEG C of baking oven after carrying out hydro-thermal reaction 8h, waits for temperature of reaction kettle
It is down to room temperature and takes out sample, cleaned up and dried with absolute ethyl alcohol and water, floatd on upper layer, put since sulphur powder is insoluble in the reaction
After entering carbon paper, sulphur powder is preferentially attached on carbon paper, and sulphur powder switchs to liquid from solid-state after reaching certain temperature, and thiocarbamide produces at this time
Raw S2-With liquid sulphur powder (S0) and Fe2+, Co2+It reacts on carbon fiber substrate surface and generates Co doping FeS2Nano wire.
Structure detection is carried out to nano-material prepared by the embodiment, the result of acquisition is as shown in Figures 1 to 5.Wherein,
As shown in Figure 1, Co adulterates FeS2Distribution of the nano wire on carbon paper is relatively uniform, and non-directional arrangement；It can by Fig. 2
Know, Co adulterates FeS2Nano thread structure is formed；As shown in Figure 3, Co adulterates FeS2The diameter of nano wire is about 5~
25nm；As shown in Figure 4, Co adulterates FeS2Interplanar distance in nano wire is 0.27nm, just corresponds to FeS2In (200) it is brilliant
Face；As shown in Figure 5, Co adulterates FeS2Relative intensity between the position at nano wire peak and each peak and simple FeS2And CoS2
Compared to larger variation has occurred.
Performance detection 1：Hydrogen Evolution Performance detects
Co prepared by the embodiment adulterates FeS2Nano-material is detected in CHI 760E electrochemical workstations,
Testing conditions are room temperature, and electrolyte solution is 0.5M H2SO4With 1M KOH.The results are shown in Figure 6 for acquisition.
As shown in Figure 6, Co-FeS2/ CFP is in -10mA cm-2When overpotential be 98mV, corresponding tafel slopes are
60mV dec-1, overpotential becomes 101mV after the cyclic voltammetry scan of 1000 circles.
Performance detection 2：Analyse oxygen performance detection
Co prepared by the embodiment adulterates FeS2Nano-material is detected in CHI 760E electrochemical workstations,
Testing conditions are room temperature, and electrolyte solution is 0.5M H2SO4With 1M KOH.The results are shown in Figure 7 for acquisition.
As shown in Figure 7, Co-FeS2/ CFP is in 20mA cm-2When overpotential be 1.591V, corresponding tafel slopes
For 107mV dec-1, overpotential becomes 1.594V after 1000 circle cyclic voltammetry scans.
In conjunction with Fig. 6 and Fig. 7 it is found that the Co of the present invention adulterates FeS2Nano wire has excellent liberation of hydrogen analysis oxygen performance and stabilization
Property.
Embodiment 2
Co adulterates FeS2The preparation method of nano-material includes the following steps：
(1) 25mL water is measured, the FeSO of 1.2mmol is weighed and be added4·7H2O, the Co (NO of 0.15mmol3)2·6H2O、
Mixture is made in the thiocarbamide of 2mmol and the sulphur powder of 1mmol, adds the mixture to and stirs 15min in 30mL reaction kettles；
(2) it places the substrate into reaction kettle, is placed in 180 DEG C of baking oven after carrying out hydro-thermal reaction 8h, waits for temperature of reaction kettle
It is down to room temperature and takes out sample, cleaned up and dried with absolute ethyl alcohol and water, Co is made and adulterates FeS2Nano-material.
Embodiment 3
Co adulterates FeS2The preparation method of nano-material includes the following steps：
(1) 25mL water is measured, the FeSO of 1.5mmol is weighed and be added4·7H2O, the Co (NO of 0.2mmol3)2·6H2O、
Mixture is made in the thiocarbamide of 3.75mmol and the sulphur powder of 1.5mmol, adds the mixture to and stirs 25min in 30mL reaction kettles；
(2) it places the substrate into reaction kettle, is placed in 210 DEG C of baking oven after carrying out hydro-thermal reaction 6h, waits for temperature of reaction kettle
It is down to room temperature and takes out sample, cleaned up and dried with absolute ethyl alcohol and water, Co is made and adulterates FeS2Nano-material.
Embodiment 4
Co adulterates FeS2The preparation method of nano-material includes the following steps：
(1) 25mL water is measured, the FeSO of 1.2mmol is weighed and be added4·7H2O, the Co (NO of 0.15mmol3)2·6H2O、
Mixture is made in the thiocarbamide of 2mmol and the sulphur powder of 1mmol, adds the mixture to and stirs 30min in 30mL reaction kettles；
(2) it places the substrate into reaction kettle, is placed in 150 DEG C of baking oven after carrying out hydro-thermal reaction 10h, waits for temperature of reaction kettle
It is down to room temperature and takes out sample, cleaned up and dried with absolute ethyl alcohol and water, Co is made and adulterates FeS2Nano-material.
Comparative example 1
Basic step is identical as comparative example 1, the difference is that Fe in the mixed solution prepared2+Concentration, respectively
0.02mol/L and 0.07mol/L, the nano-material which is prepared carry out performance detection it is found that Fe2+Concentration compared with
It is less or more, though it can still synthesize Co doping FeS2Nano-material, electrocatalysis characteristic is slightly worse, this is because the ratio of iron and cobalt is
The key factor in this materials synthesis reaction process is influenced, Co adulterates FeS2The content of cobalt containing much smaller than iron in nano-material
Amount, when the large percentage of iron and cobalt or it is smaller when be all unfavorable for the formation that Co adulterates FeS2 nano-materials so that
Electrocatalysis characteristic is deteriorated.
Comparative example 2
Basic step is identical as comparative example 2, the difference is that Co in the mixed solution prepared2+Concentration, respectively
0.002mol/L and 0.009mol/L, the nano-material which is prepared carry out performance detection it is found that Co2+Concentration compared with
It is less or more, though it can still synthesize Co doping FeS2Nano-material, but electrocatalysis characteristic is slightly worse, this is because the ratio of iron and cobalt
It is the key factor influenced in this materials synthesis reaction process, Co adulterates FeS2The content of cobalt is much smaller than iron in nano-material
Content, when the large percentage of iron and cobalt or it is smaller when be all unfavorable for Co and adulterate FeS2The formation of nano-material, to
So that electrocatalysis characteristic is deteriorated.
Comparative example 3
Basic step is identical as comparative example 3, the difference is that thiocarbamide and Fe in the mixed solution prepared2+Molar ratio,
Respectively 1.3:1 and 2.6:1, the nano-material which is prepared carries out performance detection it is found that thiocarbamide addition is smaller
Or it is more, though it can still synthesize Co doping FeS2Nano-material, but electrocatalysis characteristic is slightly worse, and nano wire pattern is unintelligible, this is
Important sources due to thiocarbamide as element sulphur in this material, when the large percentage of thiocarbamide and sulphur powder or it is smaller when be all unfavorable for
Co adulterates FeS2S in nano-material2 2-Formation so that Co adulterate FeS2The electrocatalysis characteristic of nano wire is slightly worse, nanometer
Linear looks are unintelligible.
Comparative example 4
Basic step is identical as comparative example 4, the difference is that sulphur powder and Fe in the mixed solution prepared2+Molar ratio,
Respectively 0.3:1 and 1.2:1, the nano-material which is prepared carries out performance detection it is found that sulphur powder addition is smaller
Or it is more, though it can still synthesize Co doping FeS2Nano-material, electrocatalysis characteristic is slightly worse, and nano wire pattern is unintelligible, this be by
In source of the sulphur powder as element sulphur in this material, when the large percentage of sulphur powder and thiocarbamide or it is smaller when be unfavorable for Co doping
FeS2S in nano-material2 2-Formation so that Co adulterate FeS2The electrocatalysis characteristic of nano wire is slightly worse, nano wire pattern
It is unintelligible.
Molysite can be replaced Fe (NO in above-described embodiment3)2·6H2O or FeCl2·4H2O；Cobalt salt can be replaced
CoCl2·6H2O or CoSO4·7H2O。
Claims (8)
1. a kind of Co adulterates FeS2Nano-material, it is characterised in that：This nanometer includes substrate and the Co for being arranged in the substrate surface
Adulterate FeS2Nano wire.
2. Co according to claim 1 adulterates FeS2Nano-material, it is characterised in that：The Co adulterates FeS2Nano wire
A diameter of 5~25nm.
3. Co according to claim 1 adulterates FeS2Nano-material, it is characterised in that：The substrate serves as a contrast for carbon fiber class
Bottom.
4. a kind of preparing Co doping FeS described in claim 12The method of nano-material, it is characterised in that including walking as follows
Suddenly：
(1) molysite, cobalt salt, thiocarbamide and sulphur powder are added in deionized water to stir and mixed solution is made, Fe in the mixed solution2+'s
A concentration of 0.03~0.06mol/L, Co2+A concentration of 0.003~0.008mol/L, thiocarbamide and Fe2+Molar ratio be 1.5~
2.5:1, sulphur powder and Fe2+Molar ratio be 0.5~1:1；
(2) it places the substrate into above-mentioned mixed solution after carrying out hydro-thermal reaction, takes out cleaning, drying, Co is made and adulterates FeS2Nanometer
Wire material.
5. preparation Co according to claim 4 adulterates FeS2The method of nano-material, it is characterised in that：In step (1),
The molysite is FeSO4·7H2O、Fe(NO3)2·6H2O or FeCl2·4H2O。
6. preparation Co according to claim 4 adulterates FeS2The method of nano-material, it is characterised in that：In step (1),
The cobalt salt is Co (NO3)2·6H2O、CoCl2·6H2O or CoSO4·7H2O。
7. preparation Co according to claim 4 adulterates FeS2The method of nano-material, it is characterised in that：In step (1),
The time of the stirring is 15~30min.
8. preparation Co according to claim 4 adulterates FeS2The method of nano-material, it is characterised in that：In step (2),
The hydro-thermal reaction is 6~10h of reaction under the conditions of 150~210 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744461.8A CN108585061B (en) | 2018-07-09 | 2018-07-09 | Co-doped FeS2Nanowire material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744461.8A CN108585061B (en) | 2018-07-09 | 2018-07-09 | Co-doped FeS2Nanowire material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108585061A true CN108585061A (en) | 2018-09-28 |
| CN108585061B CN108585061B (en) | 2020-08-11 |
Family
ID=63615113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744461.8A Active CN108585061B (en) | 2018-07-09 | 2018-07-09 | Co-doped FeS2Nanowire material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108585061B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171828A (en) * | 2019-06-14 | 2019-08-27 | 陕西科技大学 | A kind of FeS nano material and its preparation method and application based on carbon cloth oriented growth |
| CN110246698A (en) * | 2019-06-21 | 2019-09-17 | 南京邮电大学 | A kind of metal sulfide film method for cooking based on reuse precursor liquid |
| CN111068720A (en) * | 2019-12-06 | 2020-04-28 | 南京邮电大学 | Co-FeS2/CoS2Nano flower material, preparation method and method for regulating electrocatalytic performance thereof |
| CN111348690A (en) * | 2020-03-13 | 2020-06-30 | 南京邮电大学 | NiS2Nano material and preparation method thereof |
| CN111359634A (en) * | 2020-03-18 | 2020-07-03 | 同济大学 | Iron-doped cobalt disulfide nanoparticles and preparation method thereof |
| CN113430556A (en) * | 2021-06-24 | 2021-09-24 | 中南大学 | Surface-doped metal nano pyrite material and preparation and application thereof |
| CN114870870A (en) * | 2022-04-29 | 2022-08-09 | 成都理工大学 | Magnetic environment purifying material for co-processing MO and Cr (VI) pollution and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206043A (en) * | 2016-08-26 | 2016-12-07 | 中原工学院 | A kind of FeS2nanometer rods/Graphene is to electrode material and preparation method and application |
-
2018
- 2018-07-09 CN CN201810744461.8A patent/CN108585061B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206043A (en) * | 2016-08-26 | 2016-12-07 | 中原工学院 | A kind of FeS2nanometer rods/Graphene is to electrode material and preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| JIAN-TAO HAN ET AL.: ""Solvothermal synthesis and magnetic properties of pyrite Co1−xFexS2 with various morphologies"", 《MATERIALS LETTERS》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171828A (en) * | 2019-06-14 | 2019-08-27 | 陕西科技大学 | A kind of FeS nano material and its preparation method and application based on carbon cloth oriented growth |
| CN110171828B (en) * | 2019-06-14 | 2021-02-09 | 陕西科技大学 | FeS nano material based on carbon cloth directional growth and preparation method and application thereof |
| CN110246698A (en) * | 2019-06-21 | 2019-09-17 | 南京邮电大学 | A kind of metal sulfide film method for cooking based on reuse precursor liquid |
| CN110246698B (en) * | 2019-06-21 | 2022-03-15 | 南京邮电大学 | Metal sulfide thin film boiling method based on reusable precursor liquid |
| CN111068720A (en) * | 2019-12-06 | 2020-04-28 | 南京邮电大学 | Co-FeS2/CoS2Nano flower material, preparation method and method for regulating electrocatalytic performance thereof |
| CN111348690A (en) * | 2020-03-13 | 2020-06-30 | 南京邮电大学 | NiS2Nano material and preparation method thereof |
| CN111348690B (en) * | 2020-03-13 | 2023-08-11 | 南京邮电大学 | NiS (nickel-zinc sulfide) 2 Nanomaterial and preparation method thereof |
| CN111359634A (en) * | 2020-03-18 | 2020-07-03 | 同济大学 | Iron-doped cobalt disulfide nanoparticles and preparation method thereof |
| CN113430556A (en) * | 2021-06-24 | 2021-09-24 | 中南大学 | Surface-doped metal nano pyrite material and preparation and application thereof |
| CN113430556B (en) * | 2021-06-24 | 2022-06-21 | 中南大学 | Surface-doped metal nano pyrite material and preparation and application thereof |
| CN114870870A (en) * | 2022-04-29 | 2022-08-09 | 成都理工大学 | Magnetic environment purifying material for co-processing MO and Cr (VI) pollution and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108585061B (en) | 2020-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108585061A (en) | A kind of Co doping FeS2Nano-material and preparation method thereof | |
| An et al. | Tailoring oxygen reduction reaction pathway on spinel oxides via surficial geometrical‐site occupation modification driven by the oxygen evolution reaction | |
| Gao et al. | Hierarchical nickel–cobalt‐based transition metal oxide catalysts for the electrochemical conversion of biomass into valuable chemicals | |
| Li et al. | FeS2/CoS2 interface nanosheets as efficient bifunctional electrocatalyst for overall water splitting | |
| Cheng et al. | A Fe-doped Ni 3 S 2 particle film as a high-efficiency robust oxygen evolution electrode with very high current density | |
| CN107115861B (en) | A kind of Au-TiO2-xCatalyst and its application | |
| Deng et al. | EDTA-assisted hydrothermal synthesis of flower-like CoSe2 nanorods as an efficient electrocatalyst for the hydrogen evolution reaction | |
| Chen et al. | A MnCo2O4@ NiMoO4 Core‐Shell Composite Supported on Nickel Foam as a Supercapacitor Electrode for Energy Storage | |
| Zhao et al. | Highly dispersed ultrafine shell-like nano-Pt with efficient hydrogen evolution via metal boron organic polymers | |
| Farid et al. | Improved OER performance of Co3O4/N-CNTs derived from newly designed ZIF-67/PPy NTs composite | |
| Li et al. | A bifunctional highly efficient FeNx/C electrocatalyst | |
| Lv et al. | Ultralong needle-like N-doped Co (OH) F on carbon fiber paper with abundant oxygen vacancies as an efficient oxygen evolution reaction catalyst | |
| CN109622035A (en) | The preparation method and application of RGO-MIL-68 (Fe) nano-complex | |
| Chen et al. | Boosting the electro-oxidation of 5-hydroxymethyl-furfural on a Co–CoS x heterojunction by intensified spin polarization | |
| He et al. | Spin‐State Modulation on Metal–Organic Frameworks for Electrocatalytic Oxygen Evolution | |
| Chen et al. | Iron-induced 3D nanoporous iron-cobalt oxyhydroxide on carbon cloth as a highly efficient electrode for oxygen evolution reaction | |
| Wang et al. | A novel graphdiyne (C n H 2n− 2) preparation strategy: calcium carbide-derived graphdiyne film supported cobalt tetroxide nanoneedles for photocatalytic hydrogen production | |
| Yue et al. | Porous interwoven CoSe2/C microsphere: a highly efficient and stable nonprecious electrocatalyst for hydrogen evolution reaction | |
| Ding et al. | Formation of Dandelion‐Like Co3O4/CoWO4 Heterojunctions for Enhanced Supercapacitive Performance | |
| CN109174146A (en) | One-dimensional basic cobaltous carbonate@dimensional Co Se/NF heterojunction structure composite material and preparation method and application | |
| Yang et al. | Surface phosphorization of Ni–Co–S as an efficient bifunctional electrocatalyst for full water splitting | |
| He et al. | Synergistic tuning of oxygen vacancies and d-band centers of ultrathin cobaltous dihydroxycarbonate nanowires for enhanced electrocatalytic oxygen evolution | |
| Wang et al. | Ionic Liquid Modified Active Edge‐Rich Antimonene Nanodots for Highly Efficient Electrocatalytic Hydrogen Evolution Reaction | |
| Wang et al. | An Argyrophylla‐like Nanorods Co9S8/2H‐WS2@ NF Heterojunction with Electrons Redistribution as a Highly Efficient Bifunctional Electrocatalyst for Overall Water Splitting | |
| Yang et al. | Identification of non-metal single atomic phosphorus active sites for the CO 2 reduction reaction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |